Home / 1,691,749,803.32-2,538,144,243.95-807,563,428.96

Finding the Fourth Proportional to 1,691,749,803.32, 2,538,144,243.95 and 807,563,428.96

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Solution

The fourth proportional to 1,691,749,803.32, 2,538,144,243.95 and 807,563,428.96 is: 1,211,593,147.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,749,803.32 : 2,538,144,243.95 = 807,563,428.96 : x
  2. Step 2: Convert to fraction form
    1,691,749,803.32/2,538,144,243.95 = 807,563,428.96/x
  3. Step 3: Cross multiply
    1,691,749,803.32x = 2,538,144,243.95 × 807,563,428.96
  4. Step 4: Simplify right side
    1,691,749,803.32x = 2,049,712,468,839,348,736
  5. Step 5: Solve for x
    x = 2,049,712,468,839,348,736/1,691,749,803.32
  6. Step 6: Final answer
    x = 1,211,593,147.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.